import Vue from 'vue'
import VueRouter from 'vue-router'

//import Login from '../components/Login.vue'
//import Home from '../components/Home.vue'
//import Welcome from '../components/Welcome.vue'
const Login = () => import(/* webpackChunkName: "Login_Home_Welcome" */ '../components/Login.vue')
const Home = () => import(/* webpackChunkName: "Login_Home_Welcome" */ '../components/Home.vue')
const Welcome = () => import(/* webpackChunkName: "Login_Home_Welcome" */ '../components/Welcome.vue')

//import Users from '../components/user/Users.vue'
//import Rights from '../components/power/Rights.vue'
//import Roles from '../components/power/Roles.vue' 
const Users = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/user/Users.vue')
const Rights = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/power/Rights.vue')
const Roles = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/power/Roles.vue')

//import Cate from '../components/goods/Cate.vue'
//import Params from '../components/goods/Params.vue' 
const Cate = () => import(/* webpackChunkName: "Cate_Params" */ '../components/goods/Cate.vue')
const Params = () => import(/* webpackChunkName: "Cate_Params" */ '../components/goods/Params.vue')

//import GoodsList from '../components/goods/List.vue'
//import Add from '../components/goods/Add.vue' 
const GoodsList = () => import(/* webpackChunkName: "GoodsList_Add" */ '../components/goods/List.vue')
const Add = () => import(/* webpackChunkName: "GoodsList_Add" */ '../components/goods/Add.vue')

//import Order from '../components/order/Order.vue'
//import Report from '../components/report/Report.vue'
const Order = () => import(/* webpackChunkName: "Order_Report" */ '../components/order/Order.vue')
const Report = () => import(/* webpackChunkName: "Order_Report" */ '../components/report/Report.vue')

Vue.use(VueRouter)

const routes = [
  {
    path: '/',
    redirect: '/login'
  },
  {
    path: '/login',  //指定路径
    component: Login     //组件目标地址。即当用户访问这个路径时，跳转到这个vue组件
  },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [
      {
        path: '/welcome',
        component: Welcome
      },
      {
        path: "/users",
        component: Users
      },
      {
        path: "/rights",
        component: Rights
      },
      {
        path: "/roles",
        component: Roles
      },
      {
        path: "/categories",
        component: Cate
      },
      {
        path: "/params",
        component: Params
      },
      {
        path: "/goods",
        component: GoodsList
      },
      {
        path: "/goods/addPage",
        component: Add
      },
      {
        path: "/orders",
        component: Order
      },
      {
        path: "/reports",
        component: Report
      },
    ]
  },
]

const router = new VueRouter({
  routes
})

//挂载路由导航守卫，to目标路径,from原路径，next放行
router.beforeEach((to, form, next) => {
  if (to.path === '/login') return next();
  const tokenStr = window.sessionStorage.getItem('token');  //从sessionStorage中获取token
  if (!tokenStr) next('/login');
  next();
})

export default router
